CN207617889U - A kind of three-wheel scooter - Google Patents
A kind of three-wheel scooter Download PDFInfo
- Publication number
- CN207617889U CN207617889U CN201721632665.XU CN201721632665U CN207617889U CN 207617889 U CN207617889 U CN 207617889U CN 201721632665 U CN201721632665 U CN 201721632665U CN 207617889 U CN207617889 U CN 207617889U
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- Prior art keywords
- needle bearing
- small
- big
- mounting post
- hole
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Abstract
The utility model is related to outdoor activity walking-replacing tool, especially a kind of realized using gear drive accelerates to advance, and can effectively shorten length of wagon, avoids a kind of three-wheel scooter of chain completely.Including right brake lever, hand handle, left brake lever, preceding straight tube, seven bowls, front fork, front-wheel, cushion, vehicle frame, drive assembly and trailing wheel.A kind of three-wheel scooter is novel, reasonable for structure, easy to operate, shortens length of wagon, overcomes the shortcomings that ordinary bicycle easily falls chain, and noise is small, and reactive loss is few, comfortable riding.
Description
Technical field
The utility model is related to outdoor activity walking-replacing tool, before especially a kind of realization acceleration using gear drive
Into can effectively shorten length of wagon, avoid a kind of three-wheel scooter of chain completely.
Background technology
Bicycle is a kind of very common outdoor activity walking-replacing tool, and common bicycle is stepped on pedal using both feet and led to
Crossing chain drive drives trailing wheel to accelerate to advance.Chain drive major advantage is at low cost, it is relatively remote to be driven, adapts to severe ring
Border, but chain drive bicycle also has disadvantage, be mainly reflected in chain be easy to elongate and fall chain, chain drive energy loss it is larger,
Noise is larger etc..With the enhancing of whole society's body-building hope and environmental consciousness, the common people select cycling go on a journey in city, is short
Distance is travelled more and more, in addition city public bicycle and shared bicycle are further popularized, the market demand of bicycle is got over
Come bigger, it is quite necessary to which existing bicycle is further improved, improved and improved.
Invention content
For this purpose, the utility model provides a kind of three-wheel scooter, length of wagon can be effectively shortened, overcome it is common voluntarily
Vehicle easily falls the shortcomings that chain, and noise is small, and reactive loss is few, comfortable riding.
Technical solution used by the utility model is：
A kind of three-wheel scooter includes right brake lever, hand handle, left brake lever, preceding straight tube, seven bowls, front fork, front-wheel, seat
Pad, vehicle frame, drive assembly and trailing wheel.
The vehicle frame has neck tube, cushion down tube, back vent, left big needle bearing hole, left transition post, left inside hole, right big needle roller
Bearing hole, right transition post and right endoporus.
The drive assembly includes left footrest, and left end cap, left driving gear component, roll left needle, left transition gear, left small rolling
Needle bearing, left big needle bearing, driving shaft, right small needle bearing, driven shaft, driven shaft flat key, accelerating pulley, right big needle roller axis
It holds, right transition gear, right driving gear component, right needle roller, right end cap and right footrest.
The endoporus of the accelerating pulley has keyway, the driven shaft flat key to coordinate with the keyway.
On the front fork, the front fork is connect by seven bowls with the neck tube front-wheel.It is straight before described
Pipe is connect with the front fork.The hand handle is connect with the preceding straight tube.The right brake lever is mounted in the right end of the hand handle.The left side
Brake lever is mounted in the left end of the hand handle.Brake disc is housed, the right brake lever is controlled by brake cable and brake on the front-wheel
The brake disc of the front-wheel, the brake are mounted on the front fork.The trailing wheel fills on the back vent on the trailing wheel
There are brake disc, the left brake lever to control the brake disc of the trailing wheel by brake cable and brake, which is mounted on described
On back vent.
The cushion is connect with the cushion down tube, can adjust the height of the cushion.
The driving shaft has a left footrest mounting post, left flat column, and left-small-axis holds mounting post, right footrest mounting post, right flat column and
Right-small-axis holds mounting post.
The driven shaft has left driven gear, left big bearing mounting post, driven shaft jump-ring slot, driven shaft keyway, right big axis
Hold mounting post, right driven gear, left small needle bearing hole and right small needle bearing hole.
The left driving gear component is identical with the right driving gear modular construction.The left driving gear component has a left side
Flat hole, roll left pin hole and left driving gear.
The left driven gear is identical with the right driven gear structure.
The left driven gear is straight spur gear, and modulus, pressure angle are identical as the left driving gear.
The left big needle bearing and the right big needle bearing are the needle bearings of same specification.
The endoporus of the left big needle bearing coordinates with the left big bearing mounting post.The endoporus of the right big needle bearing
Coordinate with the right big bearing mounting post.
The outer circle of the left big needle bearing coordinates with the left big needle bearing hole.The outer circle of the right big needle bearing
Coordinate with the right big needle bearing hole.
The small needle bearing in a left side and the small needle bearing in the right side are the unidirectional needle bearings of same specification, and when installation
One-way is identical.
The endoporus of the small needle bearing in a left side holds mounting post cooperation with the left-small-axis.The endoporus of the small needle bearing in the right side
Mounting post cooperation is held with the right-small-axis.
The outer circle of the small needle bearing in a left side coordinates with the small needle bearing hole in the left side.The outer circle of the small needle bearing in the right side
Coordinate with the small needle bearing hole in the right side.
The flat hole in a left side coordinates with the flat column in the left side.
Roll left pin hole and the needle cooperation of rolling left.
It is packed into the driven shaft flat key in the driven shaft keyway, the driven shaft is inserted into the acceleration from right to left
The endoporus of wheel is packed into clamp spring in the driven shaft jump-ring slot.The left transition gear is installed on the left transition post, by institute
It states right transition gear and is installed on the right transition post.The flat column in a left side is inserted in the flat hole in a left side, by the left driving gear group
Part is placed in the left inside hole, be then respectively packed into one piece in each pin hole that rolls left described in roll left needle, the left master described at this time
Moving gear is engaged with the left transition gear, and the left transition gear is engaged with the left driven gear, each needle that rolls left
It is tangent with the left inside hole.The left end cap is fixed with three pieces of screws.The left side is installed in the left footrest mounting post
Footrest.
Similarly, the right driving gear component, the right needle roller, the right end cap and the right pedal are installed.
The utility model has the beneficial effects that：
A kind of three-wheel scooter is novel, reasonable for structure, easy to operate, shortens length of wagon, overcomes general
Logical bicycle easily falls the shortcomings that chain, and noise is small, and reactive loss is few, comfortable riding.
Description of the drawings
It is further illustrated with reference to the figure of the utility model：
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the drive assembly.
Fig. 3 is the explosive view of the drive assembly.
Fig. 4, Fig. 5 are the structural schematic diagrams of the vehicle frame.
Fig. 6 is the structural schematic diagram of the driving shaft.
Fig. 7, Fig. 8 are the structural schematic diagrams of the driven shaft.
Fig. 9, Figure 10 are the structural schematic diagrams of the left driving gear component.
In figure, 1. right brake levers, 2. hand handles, 3. left brake levers, straight tube before 4., 5. 7 bowls, 6. front forks, 7. front-wheels, 8. cushions,
9. vehicle frame, 10. drive assemblies, 11. trailing wheels, 12. left footrests, 13. left end caps, 14. left driving gear components, 15. roll left needle,
16. left transition gear, 17. left small needle bearings, 18. left big needle bearings, 19. driving shafts, 20. right small needle bearings, 21. from
Moving axis, 22. driven shaft flat keys, 23. accelerating pulleys, 24. right big needle bearings, 25. right transition gears, 26. right driving gear components,
27. right needle roller, 28. right end caps, 29. right footrests, 30. neck tubes, 31. cushion down tubes, 32. back vents, 33. left big needle bearing holes,
34. left transition post, 35. left inside holes, 36. right big needle bearing holes, 37. right transition posts, 38. right endoporus, 39. left footrest installations
Column, 40. left flat columns, 41. left-small-axis hold mounting post, 42. right footrest mounting posts, 43. right flat columns, and 44. right-small-axis hold mounting post,
45. left driven gear, 46. left big bearing mounting posts, 47. driven shaft jump-ring slots, 48. driven shaft keyways, 49. right big bearing installations
Column, 50. right driven gears, 51. left small needle bearing holes, 52. right small needle bearing holes, 53. left flat holes, 54. roll left pin hole,
55. left driving gear.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples, this is the preferable reality of the utility model
Apply example.
Embodiment 1.
Such as Fig. 1.A kind of three-wheel scooter includes the right brake lever 1, the hand handle 2, the left brake lever 3, before described
Straight tube 4, seven bowls 5, the front fork 6, the front-wheel 7, the cushion 8, the vehicle frame 9, the drive assembly 10 and institute
State trailing wheel 11.
Such as Fig. 4, Fig. 5.The vehicle frame 9 has the neck tube 30, the cushion down tube 31, the back vent 32, the left big rolling
Needle shaft bearing bore 33, the left transition post 34, the left inside hole 35, the right big needle bearing hole 36,37 He of right transition post
The right endoporus 38.
The central axis in the left big needle bearing hole 33 and the right big needle bearing hole 36 overlaps.
The central axis of the left inside hole 35 and the right endoporus 38 overlaps.
The left big needle bearing hole 33 and the left inside hole 35 are coaxial.
More preferably, three left transition posts 34 are distributed in centered on the central axis in the left big needle bearing hole 33
The end face of axis, three right transition posts 37 are distributed in the axis centered on the central axis in the right big needle bearing hole 36
End face.
Such as Fig. 2, Fig. 3.The drive assembly 10 includes the left footrest 12, the left end cap 13, the left driving gear
Component 14, the needle 15 that rolls left, the left transition gear 16, the small needle bearing 17 in a left side, the left big needle bearing 18, institute
State driving shaft 19, the small needle bearing 20 in the right side, the driven shaft 21, the driven shaft flat key 22, the accelerating pulley 23 is described
Right big needle bearing 24, the right transition gear 25, the right driving gear component 26, the right needle roller 27, the right end cap
28 and the right footrest 29.
The endoporus of the accelerating pulley 23 has keyway, the driven shaft flat key 22 to coordinate with the keyway.
Such as Fig. 1, Fig. 4.For the front-wheel 7 on the front fork 6, the front fork 6 passes through seven bowls 5 and the neck tube
30 connections.The preceding straight tube 4 is connect with the front fork 6.The hand handle 2 is connect with the preceding straight tube 4.The right brake lever 1 is mounted in
The right end of the hand handle 2.The left brake lever 3 is mounted in the left end of the hand handle 2.Brake disc, the right brake are housed on the front-wheel 7
The brake disc of the front-wheel 7 is controlled by brake cable and brake 1, which is mounted on the front fork 6.The trailing wheel
11 on the back vent 32, and brake disc is housed on the trailing wheel 11, and the left brake lever 3 controls institute by brake cable and brake
The brake disc of trailing wheel 11 is stated, which is mounted on the back vent 32.
More preferably, shock absorber is housed on the front fork 6, shock absorber is housed on the back vent 32.
Such as Fig. 1, Fig. 4.The cushion 8 is connect with the cushion down tube 31, can adjust the height of the cushion 8.
Such as Fig. 6.The driving shaft 19 has the left footrest mounting post 39, the flat column 40 in a left side, the left-small-axis to hold installation
Column 41, the right footrest mounting post 42, the flat column 43 in the right side and the right-small-axis hold mounting post 44.More preferably, the left footrest
Mounting post 39 is identical with right 42 size of footrest mounting post, and the flat column 40 in a left side is identical with flat 43 size of column in the right side, described
Left-small-axis holds mounting post 41 and the right-small-axis, and to hold 44 size of mounting post identical.
Such as Fig. 7, Fig. 8.The driven shaft 21 has a left driven gear 45, the left big bearing mounting post 46, it is described from
Moving axis jump-ring slot 47, the driven shaft keyway 48, the right big bearing mounting post 49, the right driven gear 50, the left side are small
The small needle bearing hole in needle bearing hole 51 and the right side 52.
The left driven gear 45 is identical with the structure of the right driven gear 50, and the number of teeth, modulus and pressure angle are equal,
And the start-stop position distribution of tooth form is also identical.
The left driving gear component 14 is identical with right 26 structure of driving gear component.
Such as Fig. 9, Figure 10.The left driving gear component 14 has the flat hole 53 in the left side, pin hole 54 and the left side of rolling left
Driving gear 55.
The left driven gear 45 is straight spur gear, and modulus, pressure angle are identical as the left driving gear 55.
The left big needle bearing 18 and the right big needle bearing 24 are the needle bearings of same specification.
The endoporus of the left big needle bearing 18 coordinates with the left big bearing mounting post 46.The right big needle bearing 24
Endoporus coordinate with the right big bearing mounting post 49.
The outer circle of the left big needle bearing 18 coordinates with the left big needle bearing hole 33.The right big needle bearing 24
Outer circle coordinate with the right big needle bearing hole 36.
The small needle bearing of the small needle bearing 17 in a left side and the right side 20 is the unidirectional needle bearing of same specification, and installs
When one-way it is identical.
The endoporus of the small needle bearing in the left side 17 holds the cooperation of mounting post 41 with the left-small-axis.The small needle bearing in the right side 20
Endoporus and the right-small-axis hold the cooperation of mounting post 44.
The outer circle of the small needle bearing in the left side 17 and the small cooperation of needle bearing hole 51 in left side.The small needle bearing in the right side 20
The small cooperation of needle bearing hole 52 in outer circle and right side.
The flat hole 53 in a left side coordinates with the flat column 40 in the left side.
Roll left pin hole 54 and the cooperation of needle 15 of rolling left.
It is packed into the driven shaft flat key 22 in the driven shaft keyway 48, the driven shaft 21 is inserted into institute from right to left
The endoporus for stating accelerating pulley 23 is packed into clamp spring in the driven shaft jump-ring slot 47.The left transition gear 16 is installed on described
Left transition post 34.The flat column 40 in the left side is inserted in the flat hole in the left side 53, the left driving gear component 14 is placed in the left side
Endoporus 35, be then respectively packed into one piece in each pin hole 54 that rolls left described in roll left needle 15, the left driving gear described at this time 55
It is engaged with the left transition gear 16, the left transition gear 16 is engaged with the left driven gear 45, each needle that rolls left
15 is tangent with the left inside hole 35.The left end cap 13 is fixed with three pieces of screws.It is installed in the left footrest mounting post 39
The left footrest 12.
Similarly, the right transition gear 25, the right driving gear component 26, the right needle roller 27, the right end are installed
Lid 28 and the right pedal 29.
More preferably, lubricating grease is injected between pitch wheel.
More preferably, the left footrest 12 and 29 motion phase of the right pedal differ half cycle.
Due to increasing the trailing wheel 11, the gravity balance during riding can be effectively kept.
Due to replacing chain-drive mechanism using gear drive, the vehicle body of three-wheel scooter a kind of can be effectively shortened
Length, and the shortcomings that chain drive bicycle easily falls chain is overcome, noise is small, and reactive loss is few.
Since the front fork 6 and the back vent 32 are respectively arranged with shock absorber, a kind of three-wheel scooter shock-proof effect
It is good, and make the front-wheel 7, the accelerating pulley 23 and the trailing wheel 11 that can keep preferably contacting with ground, comfortable riding.
Since the number of teeth of the left driven gear 45 is less, and the number of teeth of the left driving gear 55 is more, and described
Driving shaft 19 and the left driving gear component 14 rotate synchronously together, and the driven shaft 21 is synchronous together with the accelerating pulley 23
Rotation, therefore, it is normal trample frequency under, a kind of three-wheel scooter obtains larger forward speed.
Since the small needle bearing of the small needle bearing 17 in the left side and the right side 20 is the unidirectional needle bearing of same specification, and
One-way when installation is identical, and therefore, when stepping on the left footrest 12 and the right pedal 29 forward, the driving shaft 19 is logical
Crossing the small needle bearing of the small needle bearing 17 in the left side and the right side 20 drives the driven shaft 21 to rotate forward, that is, described in driving
Accelerating pulley 23 rotates forward.When stopping stepping on the left footrest 12 and the right pedal 29, the accelerating pulley 23 continues forward
Rotation, since the small needle bearing 20 of the small needle bearing 17 in the left side and the right side has one-way, the driven shaft 21 will not be anti-
The driving shaft 19 is acted on, then the driving shaft 19 does not rotate, and the left footrest 12 and the right pedal 29 remain stationary as.
Embodiment 2.
Other remove the right transition gear 25 in embodiment 1, the right driving gear component 26 with embodiment 1
With the right needle roller 27, structure is simpler, and production cost is lower.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying carries out change and modification appropriate.Therefore, the utility model is not limited to the specific implementation mode being disclosed above, right
Some modifications and changes of the utility model should also be as falling within the protection scope of the claims of the present utility model.In addition,
Although having used some specific terms in this specification, these terms are merely for convenience of description, not new to this practicality
Type constitutes any restrictions.
Claims (1)
1. a kind of three-wheel scooter, including right brake lever, hand handle, left brake lever, preceding straight tube, seven bowls, front fork, front-wheel, cushion, vehicle
Frame, drive assembly and trailing wheel；It is characterized in that：The vehicle frame has neck tube, cushion down tube, back vent, left big needle bearing hole, left transition
Column, left inside hole, right big needle bearing hole, right transition post and right endoporus；The drive assembly includes left footrest, left end cap, left master
Moving teeth wheel assembly, roll left needle, left transition gear, left small needle bearing, left big needle bearing, driving shaft, right small needle bearing, from
Moving axis, driven shaft flat key, accelerating pulley, right big needle bearing, right transition gear, right driving gear component, right needle roller, right end cap and
Right footrest；It is characterized in that：The driving shaft has a left footrest mounting post, left flat column, and left-small-axis holds mounting post, right footrest mounting post,
Right flat column and right-small-axis hold mounting post；The driven shaft has a left driven gear, left big bearing mounting post, driven shaft jump-ring slot, from
Moving axis keyway, right big bearing mounting post, right driven gear, left small needle bearing hole and right small needle bearing hole；The left active
Gear assembly is identical with the right driving gear modular construction；The left driving gear component has left flat hole, roll left pin hole and a left side
Driving gear；The left driven gear is identical with the right driven gear structure；The left driven gear is straight spur gear,
Modulus, pressure angle are identical as the left driving gear；The left big needle bearing and the right big needle bearing are same specifications
Needle bearing；The endoporus of the left big needle bearing coordinates with the left big bearing mounting post；The right big needle bearing
Endoporus coordinates with the right big bearing mounting post；The outer circle of the left big needle bearing coordinates with the left big needle bearing hole；
The outer circle of the right big needle bearing coordinates with the right big needle bearing hole；The small needle bearing in a left side and the small needle roller in the right side
Bearing is the unidirectional needle bearing of same specification, and one-way when installation is identical；The endoporus of the small needle bearing in a left side and institute
It states left-small-axis and holds mounting post cooperation；The endoporus of the small needle bearing in the right side holds mounting post cooperation with the right-small-axis；The left side is small
The outer circle of needle bearing coordinates with the small needle bearing hole in the left side；The outer circle of the small needle bearing in the right side and the small needle roller axis in the right side
Bearing bore coordinates；The flat hole in a left side coordinates with the flat column in the left side；Roll left pin hole and the needle cooperation of rolling left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632665.XU CN207617889U (en) | 2017-11-21 | 2017-11-21 | A kind of three-wheel scooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632665.XU CN207617889U (en) | 2017-11-21 | 2017-11-21 | A kind of three-wheel scooter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207617889U true CN207617889U (en) | 2018-07-17 |
Family
ID=62824974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721632665.XU Expired - Fee Related CN207617889U (en) | 2017-11-21 | 2017-11-21 | A kind of three-wheel scooter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207617889U (en) |
-
2017
- 2017-11-21 CN CN201721632665.XU patent/CN207617889U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20181121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |